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he applied himself his name stands as an authority, and his work is quoted as that of a master.

“Residing as he did at a distance from Tyneside, and actively engaged in the duties of his profession (a profession which at one time took him to North America, at another to South America, and to Siberia), he could not take any active part in the work of the Club, which undoubtedly he would have done had he lived among us. Yet he took a warm interest in its welfare, and was always glad to hear of its progress. Our local natural history may have lost somewhat by his long absence, but that of the world at large has the more benefited by his labours, and he adds another bright name to the roll of those who have so well upheld the natural history fame of the Newcastle district.”


An Inquiry into the Origin of Whirlwinds. Read before the Philosophical Institute, and published in the Philosophical Magazine, vol. xvii., p. 47.

Mineral Veins. An Inquiry into their Origin. Founded on a Study of the Auriferous Quartz Veins of Australia. 1861. London : John Weale.

The Naturalist in Nicaragua. A Narrative of a Residence at the Gold Mines of Chontales, and Journeys in the Savannahs and Forests. 1874. London: John Murray.

Note on the Discovery of a Human Skull in the Drift near Denver, Colorado. Read before the American Association for the Advancement of Science at St. Louis, Mo., August 1878.

Transactions of the Nova Scotian Institute. On some Recent Movements of the Earth's Surface. Vol. i., pt. 1, p. 19.

List of Butterflies observed in the neighbourhood of Halifax, Nova Scotia. Vol. ii., pt. 1, p. 97.

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The Production and Preservation of Lakes by Ice Action. Vol. ii., pt. 3, p. 70.

The Glacial Period in North America. Vol. ii., pt. 4, p. 91.

Geological Magazine. On some new Trilobites from the Upper Cambrian of North Wales. Vol. iv., p. 294.

On the Lingula Flags, or Festiniog Group of the Dolgelly District. Vol. iv., pp. 493-536, and vol. v., p. 5.

On the First Stages of the Glacial Period in Norfolk and Suffolk. Vol. xiv., p. 156.

Quarterly Journal of the Geological Society. On the Steppes of Siberia. Vol. xxx., p. 463. On the Steppes of Southern Russia. Vol. xxx., p. 843.

On the Drift of Devon and Cornwall : its Origin, Correlation with that of the South-West of England, and Place in the Glacial Series. Vol. xxxii., p. 80.,

Quarterly Journal of Science. An Examination of the Theories that have been proposed to account for the Climate of the Glacial Period. Vol. xi., 1874, p. 421.

Niagara : Glacial and Post-Glacial Phenomena. Vol. xii., 1875, p. 135.

On the Geological Age of the Deposits containing Flint Implements at Hoxne, in Suffolk, and the relation that Palæolithic Man bore to the Glacial Period. Vol. xiii., 1876, p. 289.

On the Loess of the Rhine and the Danube. Vol. xiv., 1877, p. 67.

On the Glacial Period in the Southern Hemisphere, Vol. xiv., 1877, p. 326.

On the Discovery of Stone Implements in Glacial Drift in North America. Vol. xv., 1878, p. 55..

On the Superficial Gravels and Clays around Finchley, Ealing, and Brentford. Vol. xv., 1878, p. 316.

It needs not to add more. It would be easy for the writer, who looks back with recollections of infinite pleasure upon a journey made to Mexico with Mr. Belt in 1876, and to numerous expeditions undertaken with him in Great Britain, to dwell on many incidents of personal travel, and to say much of his pleasant and genial qualities as a companion. With a mind keenly alive to all things natural he brought to bear, on everything that came under his notice, a wide and varied knowledge. Singularly modest and even-tempered by nature, he was only roused to anger by any sense of oppression or by wanton cruelty. But, indeed, his character may be read in his book. Those who knew him, loved him. Nor was he ever happier than when assisting others in the cultivation and enjoyment of those pursuits which occupied his own leisure.

Only a few days before the fever seized him he wrote from Georgetown, Colorado :

“I am expecting to start East in about ten days' time, but shall not leave America until about the middle of September. The heat here has been very great, or rather it has been in the States eastward. Up at this height (over 8000 feet) it is never too hot. We had many astronomers at Denyer to see the eclipse, which was a great success. The opinion is very general amongst them that the sun's heat has not been constant in long periods of time,

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and they refer the cause of the variation in geological climates to such fluctuations.”

He rests in the Riverside Cemetery near Denver, Colorado; nor should this short notice close without reference to the kind attention which he received from Mr. and Mrs. James Duff of Denver, during his fatal illness.

LONDON, February 1888.

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